Cyclone

UK: /ˈsaɪkləʊn/ US: /ˈsaɪkloʊn/ ,(sī′klōn)

Collins Concise English Dictionary © HarperCollins Publishers::

Cyclone / ˈsaɪkləʊn/ adjective

1. (of fencing) made of interlaced wire and metal

WordReference Random House Learner's Dictionary of American English © 2025

cy•clone /ˈsaɪkloʊn/   n. [countable]

1. Meteorology a violent storm with circular wind motion:
   The cyclone struck the islands with devastating force.
2. Meteorology (not in technical use) a tornado.

cy•clon•ic /saɪˈklɑnɪk/  adj.: 

cyclonic winds.

See -cycle-.

WordReference Random House Unabridged Dictionary of American English © 2025

cy•clone  (sī′klōn), n. 

1. Meteorology a large-scale, atmospheric wind-and-pressure system characterized by low pressure at its center and by circular wind motion, counterclockwise in the Northern Hemisphere, clockwise in the Southern Hemisphere. Cf. anticyclone, extratropical cyclone, tropical cyclone.
2. Meteorology (not in technical use) tornado.
3. Mechanical Engineering Also called cy′clone collec′tor, cy′clone sep′arator. [Mach.] a device for removing small or powdered solids from air, water, or other gases or liquids by centrifugal force.

• Greek kyklôn revolving (present participle of kykloûn to revolve, verb, verbal derivative of kýklos; see cycle); apparently confused by Piddington with kýklōma wheel, snake's coil
• term introduced by British meteorologist Henry Piddington (1797–1858) in 1848, perh.

Collins Concise English Dictionary © HarperCollins Publishers::

cyclone / ˈsaɪkləʊn/ noun

1. another name for depression6
2. a violent tropical storm; hurricane

Etymology: 19th Century: from Greek kuklōn a turning around, from kukloun to revolve, from kuklos wheel

cyclonic / saɪˈklɒnɪk/, cyˈclonical, ˈcyclonal adjective

cyˈclonically adverb